To some administrators’ dismay, election commissioners called schools some of the most stable places to hold balloting in the city’s 34 precincts – and other officials looked for ways to ensure the relationship continues.

All age-eligible students in Cambridge Public Schools must be vaccinated against Covid-19 or lose out on extracurricular activities starting Nov. 29, the School Committee decided in accepting a recommendation by interim superintendent Victoria Greer.

The first day of Cambridge Public Schools found interim superintendent Victoria Greer greeting students and staff at the Haggerty School and taking questions about how the district welcomes back students after 18 months of coronavirus.

Public school students will be back in classes by Monday, making district staff vaccinations a hot topic – but perhaps surprisingly given the ongoing national debate, not a controversial one.

The city will undertake a $1 million study over at least the next year on how to refresh and expand its aging elementary schools, though doubt was cast Monday that the improvements will be on as grand a scale as what’s been seen on recent campus projects.

Lines in the sand are being drawn in the district’s decision to suspend two teachers without pay for a day for declining to participate in administering the MCAS tests to students. A letter supporting the two educators signed by 189 educators was delivered to superintendent Kenneth Salim’s office.

Two Cambridge Public Schools educators out of 52 have been suspended without pay for a day for declining to administer the MCAS tests to elementary school students this spring.

Cambridge health officials are working to bring students aged 12 and older the first doses of the Pfizer vaccine starting next week. It is a two-dose vaccine, so two free appointments spaced roughly three weeks apart will be necessary.

Seniors at the Cambridge Rindge and Latin School and the High School Extension Program will graduate next month, marking the milestone with hybrid events – including an in-person diploma ceremony at Danehy Park – that edge toward pre-pandemic routine.

The Cambridge Rindge and Latin School welcomed students to full-time, in-person classes Monday, one week ahead of the mandated reopening of all high schools issued by the Department of Elementary and Secondary Education in late April.